TDRSS lightcurve for Trigger=867987

Notes:

• 1) None of the TDRSS light curves are background subtracted.

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 20 Oct 18 19:00:52 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     867987,   Seg_Num: 0
GRB_RA:           13.967d {+00h 55m 52s} (J2000),
                  14.180d {+00h 56m 43s} (current),
                  13.398d {+00h 53m 36s} (1950)
GRB_DEC:         -47.380d {-47d 22' 47"} (J2000),
                 -47.278d {-47d 16' 41"} (current),
                 -47.650d {-47d 39' 00"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       772 [cnts]    Image_Peak=82 [image_cnts]
TRIGGER_DUR:     0.128 [sec] 
TRIGGER_INDEX:   122     E_range: 25-100 keV
BKG_INTEN:       17647 [cnts]
BKG_TIME:        68418.21 SOD {19:00:18.21} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18411 TJD;   293 DOY;   18/10/20
GRB_TIME:        68433.51 SOD {19:00:33.51} UT
GRB_PHI:          64.63 [deg]
GRB_THETA:        12.14 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     28.93 [sigma]
IMAGE_SIGNIF:    8.26 [sigma]
MERIT_PARAMS:     +1  +0  +0  -3  +2  -1  +0  +0 +51  +0 
SUN_POSTN:       205.38d {+13h 41m 30s}  -10.52d {-10d 31' 25"}
SUN_DIST:        121.34 [deg]   Sun_angle= -11.3 [hr] (East of Sun)
MOON_POSTN:      344.09d {+22h 56m 20s}  -10.18d {-10d 10' 44"}
MOON_DIST:        44.96 [deg]
MOON_ILLUM:      85 [%]
GAL_COORDS:      300.77,-69.73 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      347.74,-47.74 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is a rate trigger.  
COMMENTS:        A point_source was found.  
COMMENTS:        This does not match any source in the on-board catalog.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 52.72,18.47 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(0.0<100sec) coincident with the FERMI_GBM event (trignum=561754838).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 20 Oct 18 19:19:41 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     867987,   Seg_Num: 0
GRB_RA:           13.967d {+00h 55m 52s} (J2000),
                  14.180d {+00h 56m 43s} (current),
                  13.398d {+00h 53m 36s} (1950)
GRB_DEC:         -47.380d {-47d 22' 47"} (J2000),
                 -47.278d {-47d 16' 41"} (current),
                 -47.650d {-47d 39' 00"} (1950)
GRB_DATE:        18411 TJD;   293 DOY;   18/10/20
GRB_TIME:        68433.51 SOD {19:00:33.51} UT
TRIGGER_INDEX:   122
GRB_PHI:          64.63 [deg]
GRB_THETA:        12.14 [deg]
DELTA_TIME:      71.00 [sec]
TRIGGER_DUR:     0.128 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     28.93 [sigma]
IMAGE_SIGNIF:    8.26 [sigma]
LC_URL:          sw00867987000msb.lc

Initial TDRSS lightcurve and spacecraft attitude plot

TDRSS lightcurve from T0-30 to T0+50 (zoom in)

TDRSS light curve from T0-1 to T0+2 (More zoom in)

1.6s binned TDRSS light curve

Extended TDRSS light curve and spacecraft attitude plot(s)

Extended TDRSS lc No.1

Extended TDRSS lc No.2

Extended TDRSS lc No.3

Extended TDRSS lc No.4

Plot creation:
Sat Oct 20 15:20:03 EDT 2018